Index: lib/Fuzzer/afl/afl_driver.cpp
===================================================================
--- lib/Fuzzer/afl/afl_driver.cpp
+++ lib/Fuzzer/afl/afl_driver.cpp
@@ -75,10 +75,15 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #include <errno.h>
 #include <signal.h>
+#if LIBFUZZER_POSIX
+#include <unistd.h>
 #include <sys/resource.h>
+#elif LIBFUZZER_WINDOWS
+#include <windows.h>
+#include <Psapi.h>
+#endif
 
 // Used to avoid repeating error checking boilerplate. If cond is false, a
 // fatal error has occured in the program. In this event print error_message